Sharing a screen session is very helpful in troubleshooting problems and providing training.
To set up a screen sharing session, you can do the following:
1. Connects to the machine and type the command screen.
2. On the screen terminal, hit CTRL-A and then type :multiuser on.
3. The next user can join the session by typing screen -x.
4. Other users can also join by repeating step 3.
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